Docooler 650nm 250mW Red Dot Head Engraver Focusing Module Dot Locator Adjustable Focal Length Engraving DIY Part Red Dot Point

Please note this item ships from an international seller. Expected delivery is 10-15 days. Red dot head is easy to install and use it provides 650nm wavelength and adjustable focal length. This product is for locating not for engraving. It s suitable for DIY lover engineer artist and etc.. Features: Red dot head with adjustable focal length. This product is for locating not for engraving. Made of premium quality material with great durability long service life. 19cm long wire for flexible use. Wiring method: red is positive black is negative. Compact and lightweight easy to assemble convenient to use. Designed for engraver suitable for DIY lover engineer artist and more. 1. Please use heat dissipation equipment as much as possible for high-power lasers. 2. It s not suitable for continuous operation for a long time. 3. Size and color may be slightly different because of manual measurement and different conditions. Thanks for understanding. Specifications: Color: Silver Material: Metal Length: 650nm Optical Power: 200-250mW Voltage: DC 3-4.5V Current: